用模糊聚类方法分析灰鼠种群数量年间变化与松籽产量的关系并预报灰鼠种群数量
周立
USING A FUZZY CLUSTERING METHOD TO ANALYSE THE RELATIONSHIP BETWEEN OSCILLATIONS IN THE POPULATION OF SQUIRREL (
Sciurus vulgaris) AND THE PRODUCTION OF PINE(
Pinus koraiensis)SEED AND A PREDICTION OF THE SQUIRREL NUMBERS
ZHOU Li
.
1985, (1): 41
-55
.